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SQL Minifier
Compress your SQL queries by removing whitespace and unnecessary characters.
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What is SQL Minifier?
An SQL Minifier reduces the size of your SQL queries by removing whitespace, line breaks, and unnecessary indentation — without altering the query logic. This process is also called SQL compression or SQL minification.
Smaller SQL payloads mean faster query transmission, reduced log file sizes, and more compact code storage. Minified SQL is commonly used in production environments, migration files, and when embedding SQL queries in application code.
How to Use This SQL Minifier
- Paste your SQL query into the input textarea above.
- Select your SQL dialect (MySQL, PostgreSQL, etc.) for accurate formatting.
- Click "Minify SQL" to compress your query into a compact form.
- Use "Beautify" if you need to pretty-print with proper indentation.
- Copy the result using the copy button or Download as a .sql file.
Frequently Asked Questions
Will SQL minification break my query?
No. SQL minification only removes whitespace and line breaks — it does not alter keywords, identifiers, string literals, or the query structure. SELECT * FROM users WHERE id=1 is semantically identical to the formatted version.
Is my SQL data stored on a server?
No. All processing happens entirely in your browser using the sql-formatter JavaScript library. Your SQL queries never leave your device.
Why do I need to select a dialect?
Different databases have different syntax rules, keywords, and functions. Selecting the correct dialect ensures accurate formatting and minification. For example, PostgreSQL uses ILIKE while MySQL uses LIMIT differently than MSSQL.
What is the difference between minify and beautify?
Minify compresses SQL into a compact single line with minimal whitespace, suitable for production or embedding in code. Beautify formats SQL with proper indentation for readability during development and debugging.
Last updated: 17 Aug 2026
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